John boyd



.` land, and Ia subjectof the Queen of Great` PATENT OFFICE.

JonNBovD,fonsnnrriinsfjongCOUNTY oF LANARK, SCOTLAND.

`nouer-INGl A 'N'orwlND-lNG MACHINERY.

SPECIFICATION 'forming part .off Letters. Patent Nb. 236,766, dated January 16, 1861. Appliatior ined April so, 1860. `(No meer); Patented in Great Britain Ntvember 13, 1677, and June 17, 187s.

Be it knownthat 1, J onN BOYD, residing at Shettleston, in the county of Lanark, Scot- Britain, have invented certain Improvements in Doubling and Winding Machinery, which improvements are fpartly described in vthe specificationof British Letters `Patent obi Atained by`1ne and dated November 13,1877,

No. 4,241, and `partly in`Y the specification of `British LettersPatent obtainedby me and dated June 17, 1878, No. 2,404, bothpatents y being vstill'in force, of

which the following is a specification,l l

My invention com pri ses'improved machinery for effecting `the combined operation of doubling and windin g yarn or thread,bu`t which is also applicable 'for winding single ends upon bobbins. In this machinery the bobbin-holder is fitted to slide vertically, being in the form of a fork,having thebobbin between its prongs, which work in vertical guides,while its shank passes through `a guide above and carries at its upper end ai pulley or guide, over which the yarn endsor threads pass. The ends pass through the curlsgor eyes of detecter-levers before proceeding up to the guide-pulley at the upper end of the bobbin-holder shank, and have therefore an elongated course before reaching the bobbin, while their 4tensional strain on the upper pulley tends to increase thedriving-pressure between'the drum and bobbin. One prong ,or side 'of the bobbinholder has on its side a stud, on which ahandlever, centered on the bracket 'at that side, can

act for lraising the holder, and the acting part t of this hand-lever is curved, so asto raise and Vlet down the holder in` a gentle manner, and

isformed with a notch or recess, in which the stud of the holder enga es when raised to its highest position. The bo bin-spindle end projects into slots inlthe holder` at each side, these slots being shaped so that, on the holder being raised, the spindle-ends move alittle outward, and, onl the holder attaining its highest position, ,get upon `shoulders at the top of the bracket-guides, into positions admitting of the bobbin being conveniently removed by hand. A fresh bobbin canthen be inserted, and, on the hand -lever being turned over, will be guideddown into the position for winding.

The bobbin rests, in the ordinary way, upon theidriving-drum, and the detecter details are arranged partly below the driving-drum. The yarn or thread ends pass up from the cops, of which they are drawn rst through fixed guideeyes, and then over an easily-adjustable frictional tension, consisting of a cylinder partly covered with flannel or similar frictional material,`from which the ends descend a little to the eyes or curls of balanced detecter-levers, and fthen ascend to the pulley at the top ofthe bobbin-holder shank. The several detecterlevers ofthe set of ends are centered on a horizontally-movable carrier, pressed forward by a light spring, and when an end breaks or fails its lever drops into a position to be acted on bya continuously-movin g cam or wiper shaft, which then pushes back the lever and its carrier, and thereby brings about the stoppage of the windiu g action as regardsthe particular bobbin. The detecter carrier, by means of a catch, supports the front arm of a slip-lever, the parts being arranged so that the slip-lever arm, on being released from the catch, pushes the carrer farther back, so as to take the detecterlevers vclear away from the cam or wiper shaft. The front arm of the slip-lever is made comparatively heavy, so as to turn down, by its weight, when let go, and it at the same time causes the slip which is rigidly fixed to its back arm to be inserted between the driving- "drum and the bobbin, so as to lift the latterand stop its motion. An important improvementin this part of the mechanism consists in .making the catch details of hardened rectangnlar metal plates. One such plate is xed in a vertical position to the detecter-carrier, and the other is fixed to the slip-lever arm, so that the under side of the latter catch-plate, at one edge, bears on the top edge of the catchplate on the carrier, down the face of which the other one slides ou being released. When any edgeof these plates becomes worn the plate can be turned to present a fresh edge,

so that one set ot plates will last a very long,

time, each plate having eight corner edges.

My improvements are shown in the accompanying drawings, in which Figure lis a front elevation, showing parts -appertaining to one of a series of bobbin-holders; and Fig. 2 is a transverse vertical section, corresponding to IOO Fig. 1, and showing additional parts, not conveniently seen in Fig. 1; Fig. 3, a detached plan view of one of the double brackets in which the bobbin-holders are guided; Fig. 4, a detached plan view of a double bracket for the detecter mechanism; Figs. 5 and 6, detached views ofthe slip-lever; Figs. 7 and 8, views ofthe detecter-levers and carriage; Fig. 9, Sheet 2, an enlarged perspective view of the detecter mechanism, and Fig. 10 a perspective View of the friction-roller.

The main framing of the machine consists of transverse vertical frames 11, connected by a central longitudinal rail, 12, and by upper and lower rails, 13 14, along the sides. The machine is, as usual, fitted with separate sets of windingr details along each side, while some of the parts are constructed so as to serve for both sides. Thus double brackets 15 16 are ixed,at intervals, to the upper and under sides of the central rail, 12, and extend toward both sides to guide and carry various parts. It Will, however, be suflicient to describe parts appertaining to one side, and, for the most part, to only one set of winding details.

Figs. 3 and 4 are plans, respectively, of one each of the upper and lower double brackets, 15 16. The upper brackets, 15, have the fork shaped bobbin-holders 17 18 in the spaces between them, the prongs 17 ofthe holders heilig at theirlower partsin vertical guide-grooves 19, formed for them in the brackets 15, each bracket having similar grooves on its other side for the adjacent bobbinholder, as shown in Fig. 3. The shank 18 of the bobbin-holder passes up through a guide, 20, fixed to a shelf, 21, which extends along the middle of the machine at some distance above the central rail, 12, being supported by standards or brackets 22, xed to the transverse frames 11. The bobbin 23 is between the prongs 17 of the bobbinholder, its spindle ends projecting into inclined slots or notches formed in the prongs, and indicated by dotted lines at 24, Fig. 2. One prong or side, 17, of each bobbin-holder has ou its outer side a stud, 25, on which a handlever, 26 27, centered on the bracket 15, can act for raising the bobbin-holder; and the arm 27 of this lever is cam-shaped, as shown, so as to raise and let down the bobbinholder in a gentle manner, and it is formed with a slight notch or recess, 28, in which the stud 25 engages when raised to its highest position.

0n the bobbin-holder being raised by means of the hand-lever 26 27 the spindle ends of the bobbin 23 move outward down the inclined slots 24, and on the holder attaining its highest position get upon shoulders 29 at the top of the guides 19 into positions admitting ot' the bobbin being conveniently removed by hand. A fresh bobbin can then be inserted, and on the hand-lever 26 being turned up will be guided down into the position for windingthat is, with the bobbin 23 resting in the usual manner on the winding-drum 30. The ends of yarn or thread pass from cops 31, carried on the lower side rails, 14, (or it might be from bobbins,) up through guide-eyes 32, fixed in the upper side rail, 13, thence over an adjustable frictional block, 33, and down to the guideeyes or curls of separate detecter-levers 34. The frictional block 33 is a simple hollow metal cylinder resting in concave hearings, and having a portion of its circumference slightly recessed and covered with flannel or similar frictional material, 9, as shown in Fig. 10. The frictional resistance imparted by this block 33 is altered, when required, by simply turning it so that the ends of yarn may pass iu contact with more or less ot' the covered part. From the detecter-levers 34 the set of' ends pass up to a single guide-pulley, 35, carried bythe top of the shank 18 of the bobbinholder, and thence down to the bobbin 23, passing, in the course of their descent, between the prongs of the transverse guide 36.

The several transverse guides 36 for both sides of the machine are ixed to a single central traverse gui e bar, 37, which passes through guide-slots in the standards 22, and is supported on rollers 10, and has the required reciprocating motion imparted to it by chains connected with the usual traverse motion cam, for the purpose ot' guiding the yarn from one end ofthe ho rt, to the other.

The detecter or fr. age details, which are arranged partly belomthe winding-drum 30, comprise a slip-lever, 38 39, centered at 49 on the lower double bracket, 16, andwhich is shown separately in plan in Fig. 5, and in front elevation in Fig. 6. The back arm, 38, ot' the lever extends up behind the drum 30, and has fixed at its upper end a slip or plate, 40, of metal or other suitable material, which slip stops the winding action, when required, by entering in between the drum 30 and the bobbin 23, and slightly raising the latter. The front arm, 39, ot' the slip-lever is made heavy enough to cause the insertion of the slip; but while the winding is proceeding properly it is held up by means ot' a pair of catch-plates, 41, one of which is tixetl horizontally ou said arm, with its inner edge projecting slightly inward from the part of the lever-arm on which it is fixed, while the other plate is fixed vertically, or nearly so, on a front vertical part of the detecter-carrier 42. This detecter-carrier 42 is shown separately in plan in Fig. 7, and in front elevation in Fig. 8. This carrier42 is movable inward and outward, a spindle, 43, formed at its inner end, being guided in a hole in a cross-bar, 44, of the bracket 16, (which is open or frameshaped.) while a slotted part, near the front, is guided by a pin, which also holds it in place, being fixed in the end of the bracket 16. A helical spring on the spindle 43 presses the carrier 42 forward, and when it is in its most forward position its catch-plate 41 has that ot' the slip-lever arm 39 resting on its upper edge, the slip-lever being thereby held with its slip 40 just clear of the drum 30. The carrier 42 is made with cheeks, between which the detecter-levers 34 are centered on a wire, 45, passing through them and through IOO the cheeks. The detecter-levers 34, of which one (of a set of three) is shown in position on the carrier 42 in Figs. 2 and 7, have their oscillations limited by two horizontal wires, 46, iixed at the front ofthe carrier, the levers passing between these wires. When any one of a set of detecter-levers, 34, vis not being used it can be confined under the lower of the two wires, 46,` so as not to be in the way of the cam-shaft 48. `The outer end of the front arm, 39, of the slip-lever is made with a crosshandle, 47, for conveniently moving the lever by hand when arranging the parts to commence windin g, or for other purposes.

Withinl the upper side rail, 13, there is a longitudinal rotating shaft, 48, which is made l with cam or wiper projections, and which communicates force for ydisengaging the slip-lever 39 38 when an end breaks or fails. The detecter-lever 34 ofthe broken end, losing the support of its end, drops, and its' front end thereby gets into the way of the shaft 48. The rotation of the shaft 48 forces the detecter-lever 34 inward, and this lever moves its carrier 42 so as to disengage the catch-plates 41, whereupon the front slip-lever arm, 39, descends, by its weight, and causes the slip 40 to enter between they driving-drum 30 and the bobbin 23, which stops the winding action. In practice, the action is in most cases sufficiently quick to stop the rotation of the bobbin before the broken end of the yarn or thread reaches it. At the same time the catchplate 41 of the slip-lever arm 39 acts on the catch-plate of the carrier 42 and pushes the carrier far enough inward to take the detecter-levers 34 quite clear of the cam or wiper shaft 48.

In machines of this character heretofore the slip has been pivoted to the slip-lever, as shown in United States Patent No. 217,769, July 22, 1879, granted to myself and T. A.

Boyd; but in the present invention the slip is rigidly secured to the lever, so that it will not merely enter between the drum and bobbin, but will lift the latter off the drum and be clear of the latter.

I claim as my inventionl. The combination of the drum and bobbinholder, having'a stud, 25, with a bracket, and the pivoted hand-lever having a cam-shaped arm, 27, provided with a notch, 28, substantially as and for the purpose set forth.

2. `Ihe combination of the winding-drum with a bobbin-holder adapted to bear on the spindle-ends of the bobbin, and carrying at the upper end a pulley, 35, for the set of threads passing to the drum, whereby the tensional strain on the said threads may assist in keeping the bobbin in driving-contact with the said drum, substantially as set forth.

3. The combination of the winding-drum, the detecter-lever, bracket 16, and sliding carriage 42, carrying said detecterlever, and a spring acting thereon,with a rotating camshaft, 48, lever 39, carrying a slip, and the catches 41., all substantially as described.

4. The combination of the movable carrier 42, having a detachable catch plate, with a slip-lever, 39, having, also, a detachable catchplate adapted to bear on the other, as setforth.

5. The combination of a bracket and movable carrier having a catch with a detecterlever on said carrier, a weighted catch-lever, 39, and rotating cam-shaft 48, adapted to act directly on the end ofthe detecter-lever when the latter falls into its path and release the lever 39, the descent of which pushes the carrier inward to take the detecter-lever clear of said cam-shaft.

6. The combination of the frame and winding mechanism with the adjustable frictional block, consisting of a cylinder having a portion of its surface covered with annel or other frictional material, and the remainder smooth, and adapted to bearings in the frame, in which it can be turned to different positions, as and for the purpose set forth.

7. The combination of the winding-drum with the pivoterl slip-lever, having one end weighted, and carrying at the other a slip rigidly secured thereto, whereby, on the descent of the weighted end of said lever, the slip will enter between the drum and bobbin and raise the latter oft' and clear the drum, substantially as set forth.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

JOHN BOYD.

Witnesses:

EDMUND HUNT, Lock MOORE. 

